VSC Based DSTATCOM & Pulse-width modulation for Power Quality Improvement
نویسندگان
چکیده
We proposed voltage-sourced converter (VSC) with Pulse-width modulation (PWM) provides a faster control that is required for flicker mitigation purpose. The voltage regulation in the distribution feeder is improved by installing a shunt compensator. The proposed DSTATCOM is modeled and its performance is simulated and verified for power factor correction and voltage regulation along with neutral current compensation, harmonic elimination and load balancing with linear loads and non-linear loads. The three phase three wire Distribution Static Compensator (DSTATCOM) is proposed for power quality improvement. DSTATCOM is based on a three leg VSC and is controlled to compensate reactive power, harmonic current and unbalances in the load. IGBT based VSC is capacitor supported and is controlled for the required compensation of the load current.
منابع مشابه
Simulation of Three-Leg VSC based Dstatcom for Power Quality Improvement
The distribution systems are facing severe power quality problems due to the large number of three phase and single phase linear, non-linear loads. These loads may be supplied from three-phase ac mains with neutral conductor. This creates excessive neutral current, high reactive power and harmonic current burden, load unbalancing, poor voltage regulation, etc. A three-phase fourwire distributio...
متن کاملPhotovoltaic Based Three-Phase Three-Wire DSTATCOM to improve Power Quality
Three-phase three-wire Distribution Static Compensator (DSTATCOM) with Photovoltaic (PV) array or battery operated DC-DC boost converter is proposed in this paper. The proposed DSTATCOM consists of a three-leg Voltage Source Converter (VSC) with a DC bus capacitor and it provides continuous reactive power compensation, source harmonic reduction and load compensation throughout the day. With the...
متن کاملPower Quality Improvement using DSTATCOM for Small Isolated Alternator feeding Distribution System
This paper demonstrates a perfect controlled DSTATCOM model with a small isolated distribution system to improve power quality of the system in which a linear/nonlinear three-phase load is fed by a small alternator. A hysteresis rule based carrier-less PWM current controller is used to control the DSTATCOM. Three leg IGBT based PWM-VSI is used as VSC with a capacitor in its parallel working as ...
متن کاملPower Quality Enhancement Using VSC Based DSTATCOM
In this paper, a new three-phase four-wire distribution static compensator (DSTATCOM) based on a T-connected transformer and a three-leg voltage source converter (VSC) is proposed for power quality improvement. The T-connected transformer connection mitigates the neutral current and the three-leg VSC compensates harmonic current, reactive power, and balances the load. Two single-phase transform...
متن کاملNeuro-fuzzy Based Power Quality Improvements in a Three Phase Four Wire Distribution System Using Dstatcom Neuro-fuzzy Based Power Quality Improvements in a Three Phase Four Wire Distribution System Using Dstatcom
This project presents reactive power compensation in a distribution power system. DSTATCOM (distribution static compensator) is a reactive power compensator for power quality improvement in a three phase four wire distribution system. A voltage source converter (VSC) based DSTATCOM with a zig-zag transformer is used for the compensation of reactive power for voltage regulation along with load b...
متن کامل